Food chopper



FIG. 1 is a top, front perspective view of a food chopper showing one side of my new design;

FIG. 2 is an elevational view of the side opposite that shown in FIG. 1;

FIG. 3 is a top plan view thereof; and

FIG. 4 is a rear elevational view thereof. 

The ornamental design for a food chopper, as shown. 